1000+ Linux OS MCQ for XAT [Solved]

1. To start graphics mode use
A. init 3
B. init 5
C. init 0
D. init 6
Answer : B

2. Shell is a
A. Program
B. Hardware
C. Account
D. None of the above
Answer : A

3. The symbol of wildcard(s) is
A. w
B. `
C. ? *
D. None of the above.
Answer : C

4. In practical, at the most _____ terminals can be opened at a time
A. 3
B. 6
C. 10
D. 12
Answer : B

5. who -h is used to
A. Print column headings
B. Hide detail.
C. Hide user name.
D. All of the above.
Answer : A

6. Linux is a dedicated server
A. True
B. False
C.
D.
Answer : B

7. The command for changing the permission relating to files is
A. ls-l
B. head
C. tail
D. chmod
Answer : D

8. Linux is a ---------------Operating System
A. Single User
B. Multi User
C. Time Sharing
D. None of the above
Answer : B

9. A user is logged in on a terminal; root tries to delete the user. Will the user be deleted?
A. Yes
B. No
C.
D.
Answer : B

10. sort file, will sort the contents of the file and the effect will be reflected in the file
A. True
B. False
C.
D.
Answer : B

11. The --------- command sorts lines of all the named files.
A. desc
B. cp
C. sort
D. ls -l
Answer : C

12. cat > abc, if the requested file does not exist, error will be given by
A. Kernel
B. Shell
C. root
D. None of the above
Answer : A

13. To view all the installed RPM packages use
A. rpm -qa
B. rpm -iv
C. rpm -h
D. rpm -I
Answer : A

14. Linux mount partition must be a primary partition
A. True
B. False
C.
D.
Answer : B

15. Which command is used to compare files?
A. cmp
B. diff
C. head
D. All of these
Answer : A

16. Which command is used for character translation?
A. td
B. vi
C. tr
D. tail
Answer : C

17. _______ will add contents to an existing file
A. cat > file
B. cat >> file
C. cat file | file1
D. cat file > file1
Answer : B

18. Protocols used by Linux are
A. TCP/IP &UUCP
B. UDP & UUCP
C. PPP & UDP
D. None of the above
Answer : A

19. ls - t is used for
A. Sort by name
B. Sort by date
C. Sort by time stamp
D. Sort by alphabetic order
Answer : C

20. To setup a Firewall, the command is
A. ntsysv
B. setup
C. /etc/firewall
D. /etc/install
Answer : B

21. To change the ownership of a file use
A. chmod
B. chgrp
C. chown
D. change
Answer : C

22. Home directory of root is
A. /home
B. /bin
C. /root
D. /boot
Answer : C

23. chmod 632 stuff means
A. Gives read & write& execute permission for owner write & execute for group read permission for other.
B. Gives read & write permission for owner write & execute for group Write permission for other.
C. Gives write permission for owner write & execute for group Write permission for other.
D. Gives read & write permission for owner read & execute for group Write permission for other.
Answer : B

24. init 6 is
A. Shutdown
B. Restart
C. Text mode
D. Graphics mode
Answer : B

25. The main function of grep is
A. look for numeric
B. look for string match a regular expression..
C. look for string without regular expression.
D. None of them.
Answer : B

26. To unmount a filesystem ________ command is ised
A. Umount
B. unmount
C. dismount
D. mount -u
Answer : A

27. ls j?e - output will be
A. Filenames with 3 charcter
B. Filenames with 4 charcter
C. Filenames with 5 charcter
D. Filenames with 10 charcter
Answer : A

28. If there is any problem with the command, the error is given by
A. Kernel
B. Shell
C. root
D. None of the above
Answer : B

29. mkdir - p is used for
A. Making directory under parent directory.
B. Making directory non existing parent directory.
C. Specified the mode of directory.
D. None of the above
Answer : B

30. There can be only ----- job in foreground.
A. 1
B. 2
C. 3
D. 4
Answer : A

31. What is the meaning of chmod 444 stuf?
A. Gives all user write permission.
B. Gives all user execute permission.
C. Gives all user read permission.
D. All of the above.
Answer : C

32. A swap partition is actually
A. Primary partition
B. Extended partition
C. Extended memory
D. Virtual memory
Answer : D

33. The encrypted password is stored in which field of /etc/password file ?
A. first
B. second
C. third
D. last
Answer : B

34. -wxrwx-x is equivalent to
A. 567
B. 675
C. 571
D. 672
Answer : C

35. wc -l will give the
A. Number of lines
B. Number of characters
C. Number of words
D. All of the above
Answer : A

36. To check if a service is running, the command is
A. Ntsysv
B. setup
C. /etc/rc.d/init.d/service
D. /etc/serice
Answer : A

37. Output of the command 'wc <filename>' is
A. Show only line
B. Show only word.
C. Show alphabet, line, word.
D. Show only file name.
Answer : C

38. To delete user the command is
A. rm <username>
B. delete <username>
C. userdel <username>
D. any one of the above
Answer : C

39. While installing Linux, users can be created
A. True
B. False
C.
D.
Answer : A

40. Default file system type of Linux is
A. etx
B. ext2
C. etx3
D. mimix
Answer : C

41. To give all permission to a file to all users the command is
all of the above
A. chmod a+777 file
B. chmod a+rwx file
C. chmod ugo+7 file
D. none of the above
Answer : B

42. Output of 'sort > shoppinglist' is
A. Sorting file but not save in file.
B. Without sorting but save in file.
C. Sorting and save in a file.
D. All of the above.
Answer : C

43. Read & Write permission means
A. 1
B. 6
C. 2
D. 0
Answer : B

44. The command to view the partition information is
A. fsck
B. fstab
C. fdisk
D. diskdruid
Answer : C

45. ls -o is used for
A. Except Group
B. Except Owner
C. Except Size in Byte
D. None of the above
Answer : A

46. To access a directory the minimum permission required is
A. r
B. w
C. x
D. All
Answer : C

47. To search a pattern in a file _________ can be used
A. grep
B. egrep
C. find
D. search
Answer : A

48. The core of Linux OS is also called
A. Kernel
B. Shell
C. root
D. bash
Answer : A

49. When an user is deleted it home directory contents are also deleted
A. True
B. False
C.
D.
Answer : B

50. Linux is a
A. Multi Tasking OS
B. Multi User OS
C. Dedicated Server
D. All of the above
Answer : A